Meaning of the word oughtn't in English

What does oughtn't mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

oughtn't

US /ˈɔːtnt/
UK /ˈɔːtnt/
"oughtn't" picture

Contraction

contraction of 'ought not', used to express a moral obligation or duty that is not being met or should not be met

Example:
You oughtn't to speak to your parents that way.
We oughtn't to ignore the warning signs.